private bool CheckBlockers(Vector3 position, Vector3 direction)
{
// Check if the tile we're sitting on has any blockers pointing in the specified direction that
// prevent us from moving that way
List <GameObject> bucket = GetLinkBucket(ToVector3Int(position));
foreach (GameObject tile in bucket)
{
TileBlocker blocker = tile.GetComponent <TileBlocker>();
if (blocker && blocker.CheckBlock(position, position + direction) != TileBlocker.BlockType.None)
{
// We're sitting on a blocker that won't let us move in that direction.
return(false);
}
}
return(true);
}
private int RunMoveTile(GameObject tile, Vector3 position, Vector3 target, List <TileMover> movers)
{
// Priorities ->
// 1 - If there's a blocker that stops us before this tile, then stop there and don't move
// onto the tile
// 2 - If we're able to move onto the tile
// there's something in our way, but we may be able to move onto / over it
TileTrigger trigger = tile.GetComponent <TileTrigger>();
if (trigger)
{
if (trigger.ResponseType == TileTrigger.TriggerResponseType.StopOn)
{
// This is a trigger we should stop on
return(MoveStopOn);
}
else
{
// Trigger does not stop movement
return(MoveNone);
}
}
// Not a trigger, maybe it's a blocker?
TileBlocker blocker = tile.GetComponent <TileBlocker>();
if (blocker)
{
switch (blocker.CheckBlock(position, target))
{
case TileBlocker.BlockType.MoveOn:
// Move onto the blocker, but stop there
return(MoveStopOn);
case TileBlocker.BlockType.None:
return(MoveNone);
case TileBlocker.BlockType.StopInfront:
return(MoveBlocked);
}
}
// A tile mover can be moved by us, but we need to calculate the move appropriately
TileMover mover = tile.GetComponent <TileMover>();
if (mover)
{
switch (mover.MoveType)
{
case TileMover.TileMoveType.MoveThrough:
return(MoveNone); // Can just move through the mover
case TileMover.TileMoveType.Block:
return(MoveBlocked); // Mover is set to not move, so we're blocked
case TileMover.TileMoveType.Push:
// Process this later. If nothing else is blocking us, we might be able to push this mover.
movers.Add(mover);
return(MoveNone);
}
}
return(MoveBlocked); // A wall
}